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kamailio/modules/db_postgres/km_pg_con.h

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/*
* $Id$
*
* Copyright (C) 2003 August.Net Services, LLC
* Copyright (C) 2008 1&1 Internet AG
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* Kamailio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* History
* -------
* 2003-04-06 initial code written (Greg Fausak/Andy Fullford)
*/
/*! \file
* \brief DB_POSTGRES :: Core
* \ingroup db_postgres
* Module: \ref db_mysql
*/
#ifndef KM_PG_CON_H
#define KM_PG_CON_H
#include "../../lib/srdb1/db_pool.h"
#include "../../lib/srdb1/db_id.h"
#include <time.h>
#include <libpq-fe.h>
/*! Postgres specific connection data */
struct pg_con {
struct db_id* id; /*!< Connection identifier */
unsigned int ref; /*!< Reference count */
struct pool_con* next; /*!< Next connection in the pool */
int connected; /*!< connection status */
char *sqlurl; /*!< the url we are connected to, all connection memory parents from this */
PGconn *con; /*!< this is the postgres connection */
PGresult *res; /*!< this is the current result */
char** row; /*!< Actual row in the result */
time_t timestamp; /*!< Timestamp of last query */
int affected_rows; /*!< Number of rows affected by the last statement */
int transaction; /*!< indicates whether a multi-query transaction is currently open */
};
#define CON_SQLURL(db_con) (((struct pg_con*)((db_con)->tail))->sqlurl)
#define CON_RESULT(db_con) (((struct pg_con*)((db_con)->tail))->res)
#define CON_CONNECTION(db_con) (((struct pg_con*)((db_con)->tail))->con)
#define CON_CONNECTED(db_con) (((struct pg_con*)((db_con)->tail))->connected)
#define CON_ROW(db_con) (((struct pg_con*)((db_con)->tail))->row)
#define CON_TIMESTAMP(db_con) (((struct pg_con*)((db_con)->tail))->timestamp)
#define CON_ID(db_con) (((struct pg_con*)((db_con)->tail))->id)
#define CON_AFFECTED(db_con) (((struct pg_con*)((db_con)->tail))->affected_rows)
#define CON_TRANSACTION(db_con) (((struct pg_con*)((db_con)->tail))->transaction)
/*
* Create a new connection structure,
* open the PostgreSQL connection and set reference count to 1
*/
struct pg_con* db_postgres_new_connection(struct db_id* id);
/*
* Close the connection and release memory
*/
void db_postgres_free_connection(struct pool_con* con);
#endif /* KM_PG_CON_H */